نتایج جستجو برای: radiolabeling
تعداد نتایج: 1156 فیلتر نتایج به سال:
We report the rapid nucleophilic [(18)F]-radiolabeling of a bodipy dye in aqueous solutions. This radiolabeled dye, whose biodistribution and clearance has been studied in mice, is stable in vivo and can be used as a positron emission tomography/fluorescence dual modality imaging agent.
Pyrroloquinoline quinone (PQQ), an essential nutrient, antioxidant, redox modulator and nerve growth factor found in a class of enzymes called quinoproteins, was labeled with 99mTc by using stannous fluoride (SnF2) method. Radiolabeling qualification, quality control and characterization of 99mTc-PQQ and its biodistribution studies in mice were performed and discussed. Effects of pH values, tem...
We had previously isolated the temperature-sensitive erg26-1 mutant and characterized the sterol defects in erg26-1 cells (Baudry, K., Swain, E., Rahier, A., Germann, M., Batta, A., Rondet, S., Mandala, S., Henry, K., Tint, G. S., Edlind, T., Kurtz, M., and Nickels, J. T., Jr. (2001) J. Biol. Chem. 276, 12702-12711). We have now determined the defects in sphingolipid metabolism in erg26-1 cells...
arv1Delta mutant cells have an altered sterol distribution within cell membranes (Tinkelenberg, A.H., Liu, Y., Alcantara, F., Khan, S., Guo, Z., Bard, M., and Sturley, S. L. (2000) J. Biol. Chem. 275, 40667-40670), and thus it has been suggested that Arv1p may be involved in the trafficking of sterol in the yeast Saccharomyces cerevisiae and also in humans. Here we present data showing that arv...
Positron emission tomography (PET) using radiolabeled biomolecules is a translational molecular imaging technology that is increasingly used in support of drug development. Current methods for radiolabeling biomolecules with fluorine-18 are laborious and require multistep procedures with moderate labeling yields. The Al18F-labeling strategy involves chelation in aqueous medium of aluminum mono[...
Single crystal X-ray diffraction shows that Zr(iv) forms an octa-coordinated complex with 4 bidentate hydroxamates whose solution structures were investigated by utilizing density functional theory at the level of B3LYP/DGDZVP. Stability constants obtained by potentiometry were in accordance with the tendency observed when radiolabeling with (89)Zr.
We present a novel solid-phase based (45)Ti radiolabeling methodology and the implementation of (45)Ti-PET in titanium-based antineoplastics using the showcase compound [(45)Ti](salan)Ti(dipic). This development is intended to allow elucidation of the biodistribution and pharmacokinetics of promising new Ti-based therapeutics.
Specific : buoyancy, clinical study, cut-off size, dimension monitoring, dosage form size, floating dosage form, floating force, gamma scintigraphy triple radiolabeling and monitoring technique, gastric emptying, gastric residence time, Hydrodynamically Balanced System (HBS), intragastric buoyancy, monolithic hydrophilic matrix, non-floating dosage form, resultant-weight measuring apparatus and...
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